Rick Perry is out, and Huntsman dropped out a couple of days ago. So we’re down to four — Newt, Santorum, Ron Paul, and Mittens. There’s another debate tonight; I suggest following it on the Richard Adams blog.

Elsewhere — Wisconsin Gov. Scott Walker has turned down $37 million from the federal government intended to set up the health insurance exchanges mandated by the Affordable Care Act.

A recount shows that Rick Santorum won the Iowa caucuses by 34 votes. Rather than take the “win” away from Romney, the state GOP is calling the decision a “tie.” Apparently the results from 8 precincts are “lost” and can’t be certified, anyway.

Elsewhere: Support for PIPA and SOPA is collapsing in Congress. Jonathan Weisman writes in the New York Times:

When the powerful world of old media mobilized to win passage of an online antipiracy bill, it marshaled the reliable giants of K Street — the United States Chamber of Commerce, the Recording Industry Association of America and, of course, the motion picture lobby, with its new chairman, former Senator Christopher J. Dodd, the Connecticut Democrat and an insider’s insider.

Yet on Wednesday this formidable old guard was forced to make way for the new as Web powerhouses backed by Internet activists rallied opposition to the legislation through Internet blackouts and cascading criticism, sending an unmistakable message to lawmakers grappling with new media issues: Don’t mess with the Internet.

The uprising was genuinely bipartisan and joined by bloggers from across the political spectrum. Now if we could just get the righties to join us in the net neutrality fight …